Faculty/Authors
Naijia Liu, MD Iris Ma Yang Shi, MD, PhDDepartment of Pathology and Laboratory Montefiore Medical Center New York, New York
CME or CMLE Credit: 2.0 Estimated Completion Time: 2 hoursFormat: Online Educational Activity and Post Exam Physician Competencies: Patient Care, Medical Knowledge, Practice-Based Learning and Improvement; Systems-Based PracticeEligibility for CME/CMLE credit: Max three attempts. You will have a maximum of three attempts to meet the following criteria:
Default Credit Type: None (You must meet the eligibility requirements in order to obtain CME credit.) Accreditation Statement: The American Society for Clinical Pathology (ASCP) is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education (CME) for physicians. This activity has been planned and implemented in accordance with the Essential Areas and Policies of the Accreditation Council for Continuing Medical Education (ACCME).Credit Designation Statement: The American Society for Clinical Pathology (ASCP) designates this enduring material for a maximum of 2 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.
Instructions
To claim CME credit for the exercise, do the following:
To claim CMLE credit for the exercise, do the following:
Faculty Disclosures
Technical ConsiderationsRelease Date: 4/30/2026 Review Date:Expiration Date: 12/31/2028
understand the morphologic, immunophenotypic, and genetic features of cyclin D1–positive diffuse large B cell lymphoma;
identify the various morphological variants of mantle cell lymphoma, including blastoid, pleomorphic, small cell, marginal zone–like, and leukemic non-nodal mantle cell lymphoma (nnMCL);
recognize the key immunophenotypic and genetic characteristics associated with mantle cell lymphoma;
distinguish between blastoid/pleomorphic variants of mantle cell lymphoma and cyclin D1–positive diffuse large B-cell lymphoma in the differential diagnosis; and
understand the differential diagnosis of CD5-positive small B-cell lymphomas, with emphasis on distinguishing chronic lymphocytic leukemia/small lymphocytic lymphoma, mantle cell lymphoma, CD5-positive marginal zone lymphoma, and CD5-positive lymphoplasmacytic lymphoma.